v = (22/15)*98 = 143.7 ft/secÂ
For no friction, Î = arctan[v²/(R*g)] = 32.68°Â
Anet = â[(v²/R + g²] = 33.2 ft/sec²Â
Af = Anet*sinÎ = 17.93 ft/sec²Â
Ff = m*Af = (3200/32.2)*Af = 1781.9 lb along the slope.Â
Fr = Ff*cosÎ = 1500 lbSource(s):Free body diagramÂ
My 'cheat sheet' of physics formulae